Silver(I) complexation with N-donor heterocyclic ligands in the presence of boron cluster anions: Synthesis and coordination features

IF 2.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Polyhedron Pub Date : 2024-08-30 DOI:10.1016/j.poly.2024.117209

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Abstract

Silver(I) complexation with boron cluster anions [B_nH_n]²⁻ (n = 10, 12) and chelating 1-substituted-2-aldiminebenzimidazoles 1-(1-methylbenzimidazol-2-yl)-N-phenylmetanimine (L¹) and 1-(1-benzylbenzimidazol-2-yl)-N-cyclohexylmethanimine (L²) in systems AgNO₃/[B_nH_n]²⁻/L and {Ag₂[B_nH_n]}_m/L, as well as with azaheterocyclic ligands 2,2ʹ-bipyridine (bipy) or 1,10-phenanthroline (phen) in the system AgNO₃/[B_nH_n]²⁻/L has been first studied. The effect of the organic ligand on the composition and structures of the resulting compounds has been shown. As a result, binuclear complexes [Ag₂L₂[μ–B_nH_n]] with bridging boron cluster anions with various combinations of coordination modes (edge-edge and edge-face for the [B₁₀H₁₀]²⁻ anion, edge–atom and nontrivial asymmetric for the [B₁₂H₁₂]²⁻ anion) have been synthesized and structurally characterized for benzimidazole derivatives L¹ and L². When using bipy or phen as ligands, polymeric complexes {Ag₂L[B₁₀H₁₀]}_m or {Ag₂L₂[μ-B₁₂H₁₂]}_m have been obtained.

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银(I)在硼簇阴离子存在下与 N-供体杂环配体的络合：合成与配位特征

银（I）在 AgNO3/[BnHn]2-/L 和 {Ag2[BnHn]}m/L 体系中与硼簇阴离子 [BnHn]2- （n = 10，12）和螯合 1-取代-2-醛基苯并咪唑 1-（1-甲基苯并咪唑-2-基）-N-苯基甲亚胺（L1）和 1-（1-苄基苯并咪唑-2-基）-N-环己基甲亚胺（L2）的络合，以及在 AgNO3/[BnHn]2-/L 和 {Ag2[BnHn]}m/L 体系中与杂环配体 2,2ʹ-联吡啶（bipy）或 1,10-菲罗啉（phen）的络合、以及杂杂环配体 2,2ʹ-联吡啶（bipy）或 1,10-菲罗啉（phen）在 AgNO3/[BnHn]2-/L 体系中的作用进行了首次研究。研究显示了有机配体对所得化合物的组成和结构的影响。因此，我们合成了双核配合物 [Ag2L2[μ-BnHn]]，其桥硼簇阴离子具有不同的配位模式组合（[B10H10]2- 阴离子的配位模式为边-边和边-面，[B12H12]2- 阴离子的配位模式为边-原子和非对称），并对苯并咪唑衍生物 L1 和 L2 进行了结构表征。当使用联吡或苯作为配体时，得到了{Ag2L[B10H10]}m或{Ag2L2[μ-B12H12]}m的聚合物配合物。

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来源期刊

Polyhedron 化学-晶体学

CiteScore

4.90

自引率

7.70%

发文量

515

审稿时长

2 months

期刊介绍： Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.